diff --git a/Python/codecs.c b/Python/codecs.c
index 4062429..62bbee6 100644
--- a/Python/codecs.c
+++ b/Python/codecs.c
@@ -9,7 +9,7 @@
    ------------------------------------------------------------------------ */
 
 #include "Python.h"
-#include "internal/pystate.h"
+#include "pycore_state.h"
 #include "ucnhash.h"
 #include <ctype.h>